7872260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3253}}^1$

素因数の和:3284

約数の個数: 36

約数和(自身を含む): 18176844

約数和(自身を除く): 10304584

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3253, 6506, 13012, 16265, 32530, 35783, 65060, 71566, 143132, 178915, 357830, 393613, 715660, 787226, 1574452, 1968065, 3936130, 7872260]

約数ペア:

[(1, 7872260), (2, 3936130), (4, 1968065), (5, 1574452), (10, 787226), (11, 715660), (20, 393613), (22, 357830), (44, 178915), (55, 143132), (110, 71566), (121, 65060), (220, 35783), (242, 32530), (484, 16265), (605, 13012), (1210, 6506), (2420, 3253)]